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3Hz Inc. (Japanese: 株式会社3Hz, Hepburn: Kabushiki-gaisha San Herutsu) was a Japanese animation studio established by ex-Kinema Citrus animators. Yuichiro Matsuka founded the studio in March 2013. The company is referred to as Studio 3 Hz in anime credits.

Key Information

On June 17, 2024, 3 Hz announced that it had transferred its animation planning and production business to A-1 Pictures. The company added that its business will continue at A-1 Pictures. Studio 3 Hz and the official X account for the Sword Art Online Alternative: Gun Gale Online II anime confirmed the same staff who have been working on the anime will continue to work on the anime at A-1 Pictures.[1][2][3]

Works

[edit]

Television series

[edit]
Year Title Director(s) Source Eps. Refs.
2014 Celestial Method Masayuki Sakoi Original work 13 [4]
2016 Dimension W (co-animated with Orange) Kanta Kamei Manga 12 [5]
Flip Flappers Kiyotaka Oshiyama Original work 13 [6]
2017 Princess Principal (co-animated with Actas) Masaki Tachibana Original work 12 [7]
2018 Sword Art Online Alternative: Gun Gale Online Masayuki Sakoi Light novel 12 [8]
2020 Chidori RSC Masanori Takahashi Manga 12 [9]
A3! (co-animated with P.A. Works) Masayuki Sakoi[a]
Makoto Nakazono[b]
Keisuke Shinohara[b] 		Mobile game 24 [10]
2022 Healer Girl Yasuhiro Irie Original work 12 [11]
The Devil Is a Part-Timer!! Daisuke Tsukushi Light novel 12 [12]
2023 The Marginal Service Masayuki Sakoi Original work 12 [13]

Original video animations

[edit]
Year Title Director(s) Source Eps. Refs.
2015 Celestial Method Masayuki Sakoi Original work 1
2016 Dimension W (co-animated with Orange) Kanta Kamei Manga 1
2019 Celestial Method: One More Wish Masayuki Sakoi Original work 1

Films

[edit]
Year Title Director(s) Source Refs.
2019 Blackfox Kazuya Nomura
Keisuke Shinohara 		Original work [14]

Video games

[edit]
Title Publisher Release date Note(s) Ref(s)
Tokyo Xanadu Nihon Falcom September 30, 2015 Opening animation. [15]
Ys VIII: Lacrimosa of Dana Nihon Falcom July 21, 2016 Opening animation. [15]
The Legend of Heroes: Trails of Cold Steel III Nihon Falcom September 28, 2017 Opening animation. [15]
The Legend of Heroes: Trails of Cold Steel IV Nihon Falcom September 27, 2018 Opening animation.

Notable staff

[edit]

A list of notable staff currently or formerly belonging to the studio.

Representative staff

[edit]
  • Yūichirō Matsuya (founder and president)

Animation producers

[edit]
  • Hideaki Kubo (2014~2019)

Directors

[edit]

Notes

[edit]

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

3Hz

View on Grokipedia
from Grokipedia
Studio 3Hz (スタジオ3Hz), often stylized as 3Hz, was a Japanese animation studio specializing in the production of anime series and films, renowned for its innovative visual styles and storytelling in science fiction and adventure genres.[1] Founded in March 2013 and based in Suginami, Tokyo, the studio emerged from the anime industry landscape to deliver distinctive projects that blended high-quality animation with unique narrative approaches.[2] In June 2024, 3Hz announced the transfer of its core animation planning and production operations to A-1 Pictures, a prominent studio under Aniplex, allowing its ongoing projects to continue under new management while preserving key staff and creative direction. Established by producer Yuichiro Matsuka, a former affiliate of Kinema Citrus and Bandai Visual, 3Hz quickly positioned itself as a boutique studio focused on mid-tier productions that emphasized artistic flair over mass-market adaptations.[3] From its inception, the studio collaborated with established directors and animators to create works that often explored themes of alternate realities, espionage, and personal growth, drawing praise for fluid action sequences and atmospheric world-building.[4] Over its decade of independent operation, 3Hz produced approximately 20 anime titles, contributing to the diversification of Japan's animation output during a period of industry consolidation.[5] Among its most acclaimed productions, Flip Flappers (2016) stands out for its psychedelic visuals and dreamlike exploration of adolescence, directed by Kiyotaka Oshiyama and celebrated for pushing animation boundaries with vibrant, surreal sequences.[1] Similarly, Princess Principal (2017), a steampunk spy thriller co-produced with Actas, garnered attention for its intricate plotting and character-driven espionage narratives, spawning theatrical sequels that extended its legacy.[1] Other key works include Dimension W (2016), an adaptation of the manga by Yuji Iwahara that blended sci-fi action with retro-futuristic aesthetics, and contributions to the Sword Art Online franchise, such as Sword Art Online Alternative: Gun Gale Online (2018) and its 2024 sequel, which highlighted the studio's capability in handling large-scale virtual reality settings.[5] These projects not only showcased 3Hz's technical prowess in key animation and background art but also its role in fostering original content amid a dominance of light novel adaptations.[6] The studio's transfer of operations to A-1 Pictures marks a significant shift, driven by industry challenges including rising production costs and talent retention, yet it ensures continuity for titles like Sword Art Online Alternative: Gun Gale Online II, where 3Hz's staff will integrate into A-1's workflow. This transition reflects broader trends in the anime sector toward consolidation under major players like Aniplex, potentially amplifying 3Hz's influence through access to greater resources while preserving its signature creative voice.[7] As of late 2024, the studio's original intellectual properties and future endeavors remain under A-1 Pictures' umbrella, signaling an evolution rather than an end to its contributions to anime.[8]

History

Establishment

3Hz was established in March 2013 by Yūichirō Matsuka, who had previously served as a producer and co-founder at Kinema Citrus.[9] Matsuka's departure from Kinema Citrus in 2013 marked a pivotal moment, as he sought to launch an independent venture focused on original anime production.[10] Headquartered in Kamiogi, Suginami, Tokyo, Japan, the studio positioned itself as an autonomous entity dedicated to the planning and production of anime works from inception to completion.[2] This setup allowed 3Hz to emphasize creative control over projects, aligning with Matsuka's goal of developing innovative content outside the constraints of larger studios.[10] The early organizational structure centered on a core team drawn from Matsuka's professional network, enabling rapid establishment of operations tailored to anime development.[9] This foundation laid the groundwork for 3Hz to transition into its debut project, Celestial Method, an original series that exemplified the studio's initial creative ambitions.[10]

Expansion and key milestones

Following its debut production, Studio 3Hz marked its entry into television animation with Celestial Method in 2014, an original series that served as the studio's first major project and helped establish its reputation for handling emotional, character-driven narratives.[11][12] The studio began expanding through co-productions in 2016, collaborating with Orange on Dimension W, a sci-fi adaptation that highlighted 3Hz's ability to integrate with CGI-focused partners for dynamic action sequences.[13] This partnership model continued in 2017 with Actas for Princess Principal, a steampunk espionage series that broadened 3Hz's portfolio into intricate world-building and ensemble storytelling.[14] A significant milestone came in 2018 when 3Hz entered the high-profile Sword Art Online franchise with Sword Art Online Alternative: Gun Gale Online, adapting the light novel spin-off and demonstrating the studio's growing capacity for large-scale, action-oriented projects within established IPs.[15] Output increased in 2019 with Chidori RSC (also known as Rifle is Beautiful), a sports comedy that showcased refined character animation. By 2020, the studio was producing multiple series annually, including A3! Season Spring & Summer, a joint effort with P.A. Works adapting the mobile game into a drama-focused narrative.[16] These collaborations, such as the ongoing partnership with P.A. Works for subsequent A3! seasons, allowed 3Hz to tackle diverse genres while sharing production resources for ambitious ensemble casts and theatrical elements. Operationally, the studio scaled by hiring emerging animators and sakuga specialists, including talents like Yukie Akiya and Ryouma Ebata, to support a wider range from sci-fi like Dimension W to music-themed works such as Healer Girl in 2022, which emphasized vocal performance animation.[11][17] This growth enabled 3Hz to maintain a steady production rhythm, focusing on original and adaptive projects that prioritized visual storytelling innovation.[18]

Closure and acquisition

On June 17, 2024, Studio 3Hz ceased its independent operations as an animation studio.[9] The company announced the transfer of its animation planning and production business to A-1 Pictures, a Sony subsidiary.[9][19] This move effectively marked the end of 3Hz as an autonomous entity, with its core activities integrated into the larger studio.[20] The transfer was driven by broader industry challenges, including rising production costs and talent shortages that have prompted consolidation among anime studios.[20] To ensure continuity, the existing 3Hz staff were integrated into A-1 Pictures, allowing ongoing projects to proceed seamlessly under the new banner.[9] A key example is Sword Art Online Alternative: Gun Gale Online II, which continued production with the same team and premiered in October 2024.[9][20] Following the transfer, 3Hz operated as a defunct entity from its founding in 2013 until 2024, reflecting a pattern of mergers in the anime sector for greater stability.[9][20] This integration has supported the uninterrupted advancement of anime production, leveraging prior expansions at 3Hz to facilitate a smooth staff transition.[20]

Works

Television series

3Hz entered the television anime production landscape with its debut series in 2014, focusing primarily on original works and adaptations across genres such as science fiction, action, adventure, spy thriller, sports, idol drama, music, and comedy. As the lead animation studio for most projects, 3Hz handled key animation production, often collaborating with partners for specific episodes or visual effects, with episodes typically running 24 minutes each. Broadcasts primarily aired on Japanese networks like Tokyo MX and BS11, contributing to the studio's reputation for high-quality visuals in mid-tier productions. Celestial Method (2014), 3Hz's first television series, is a 13-episode sci-fi drama about a girl who returns to Earth after living in space, exploring themes of friendship and loss; it aired from October to December 2014 on networks including Tokyo MX.[21] Dimension W (2016), a 12-episode sci-fi action series co-animated with Orange, follows a collector and a robot girl uncovering mysteries around forbidden technology; it premiered in January 2016 on Tokyo MX and other channels.[22][23] Flip Flappers (2016), an original 13-episode adventure series, depicts two girls entering fantastical worlds through a device called the Flip Flap; directed by Kiyotaka Oshiyama, it aired from October to December 2016 on Tokyo MX.[24] Princess Principal (2017), a 12-episode spy thriller co-animated with Actas, centers on a team of female spies in an alternate steampunk London; it ran from July to September 2017 on networks like Tokyo MX.[25][26] Sword Art Online Alternative: Gun Gale Online (2018), a 12-episode action spin-off from the Sword Art Online franchise, follows players in a virtual reality shooter game; produced as lead studio, it aired from April to June 2018 on Tokyo MX.[27] Chidori RSC (also known as Rifle Is Beautiful, 2019), a 12-episode sports series about high school girls reviving their rifle shooting club, emphasizes competition and camaraderie; it broadcast from October to December 2019 on Tokyo MX.[16][28] A3! (2020), a 24-episode idol drama adaptation co-animated with P.A. Works across two cours (Spring & Summer and Autumn & Winter, 12 episodes each), portrays aspiring actors in a theater troupe; it aired from January to June 2020 on Tokyo MX.[29][30] Healer Girl (2022), a 12-episode music series about vocal therapy trainees using song to heal patients, highlights performance and growth; it premiered in April 2022 on Tokyo MX.[31] The Devil Is a Part-Timer!! (2022, Season 2), a 12-episode comedy sequel where a demon lord navigates modern life on Earth, builds on the original with returning staff; it aired from July to September 2022 on Tokyo MX.[32] The Devil Is a Part-Timer!! (2023, Season 3), a 12-episode comedy sequel continuing the demon lord's earthly escapades and supernatural threats, aired from July to October 2023 on Tokyo MX, with returning key staff.[33] The Marginal Service (2023), a 12-episode sci-fi series involving interspecies detectives solving crimes in a post-war world, features 3Hz's detailed world-building; it ran from April to June 2023 on Tokyo MX.[34]

Original video animations and films

3Hz produced a limited number of original video animations (OVAs) and one theatrical film, often serving as extensions or standalone entries in their portfolio. These works typically supplemented their television series or explored original narratives, showcasing the studio's versatility in shorter formats and feature-length animation. The OVAs were released between 2015 and 2020, while the film marked a significant original production effort. The first OVA from 3Hz was Sora no Method: Aru Shoujo no Kyuujitsu (A Certain Girl's Holiday), released on July 24, 2015, as a single 11-minute episode bundled with the Blu-ray release of the Celestial Method television series. This short comedic fantasy installment extends the story of the original series, focusing on a lighthearted holiday episode featuring the main characters in a relaxed setting, and highlights 3Hz's early experimentation with supplemental content for fan engagement. In 2016, 3Hz co-produced the OVA Dimension W: Short Track / Robot wa Sentou no Yume wo Miruka (Do Robots Dream of Bath Houses?), a 12-minute episode released on August 26, bundled with the sixth Blu-ray volume of the Dimension W series. Collaborating with Orange on animation production, this unaired episode delves into character side stories involving protagonists Kyōma Mabuchi and Mira Yurizaki during a visit to a bathhouse, providing additional depth to the sci-fi narrative without advancing the main plot. The co-production aspect underscored 3Hz's willingness to partner with other studios for specialized episodes. Additionally, Dimension W: W no Tobira Online (2016), a series of 5 short episodes co-animated with Orange, streamed from March 25 to August 26, 2016, as online promotional content focusing on character interactions.[35] Sword Art Online Alternative: Gun Gale Online - Refrain (2018), a 24-minute recap special episode released May 25, 2018, bundled with Blu-ray volume 3 of the TV series, summarizing early events and bridging to later arcs.[36] Princess Principal Picture Drama (2017), a series of 6 short episodes (~4 minutes each) co-animated with Actas, released as Blu-ray limited edition bonuses from September 27, 2017, to February 28, 2018, offering comedic vignettes on the spy team members' daily lives.[37] Returning to the Celestial Method universe, 3Hz released Sora no Method: Mou Hitotsu no Negai (One More Wish) on October 13, 2019, as a 24-minute finale episode streamed for free on YouTube. Serving as the 17th overall installment, this OVA introduces a new character, Carol, who interacts with series staple Noel, exploring themes of lingering wishes and closure five years after the television finale. It represents a direct-to-video conclusion that ties up unresolved elements from the original series.[38] Rifle Is Beautiful: Zenkoku Taikai (2020), a 24-minute OVA released December 25, 2020, serving as a direct sequel to the TV series, depicting the high school rifle club's national competition climax.[39] 3Hz's sole theatrical film, Blackfox, premiered in Japanese theaters on October 5, 2019, with a runtime of 90 minutes. This original action-fantasy feature, directed by Keisuke Shinohara and Kazuya Nomura, follows Rikka Isurugi, a young ninja descendant in a futuristic world, as she seeks revenge against a paramilitary group using advanced drone technology after the death of her family. As an independent intellectual property not tied to any prior series, the film demonstrates 3Hz's capability in crafting a self-contained story blending traditional ninja elements with cyberpunk aesthetics, though it originated from a planned series condensed into movie format due to production constraints.[40]

Video game animations

3Hz contributed to video game animations primarily through producing opening sequences for titles developed by Nihon Falcom, leveraging their expertise in fluid, character-driven visuals honed from television productions. These short promotional animations, typically lasting 1-2 minutes, featured dynamic 2D styles that highlighted key characters, action elements, and thematic motifs to build anticipation ahead of game releases. Collaborating closely with Falcom, 3Hz integrated game assets and story cues into these sequences, marking a shift for the developer toward external animation partnerships to elevate marketing materials.[9][41] The studio's first such project was the 2015 opening animation for Tokyo Xanadu, a 90-second sequence that showcased urban fantasy action with vibrant character designs and fast-paced combat visuals, produced as Falcom's inaugural external collaboration for an opening.[41][9] In 2016, 3Hz handled the opening for Ys VIII: Lacrimosa of Dana, a roughly 2-minute piece directed by Masayuki Sakoi, blending 2D animation with CGI elements from studio Orange to depict adventurous exploration and mystical encounters, enhancing the game's global promotional trailers.[9] For The Legend of Heroes: Trails of Cold Steel III in 2017, 3Hz created an opening animation emphasizing ensemble character interactions and strategic battles in a steampunk world, spanning about 1.5 minutes and aiding in the title's Japanese launch hype.[9][42] The following year, 2018 saw 3Hz produce the opening for The Legend of Heroes: Trails of Cold Steel IV, a climactic 2-minute sequence with intensified dramatic visuals and orchestral synergy, playing a key role in marketing the series finale to international audiences.[9]

Notable personnel

Leadership

Yūichirō Matsuka founded 3Hz in March 2013 after leaving Kinema Citrus, an animation studio he had co-founded in 2008 with Muneki Ogasawara, Masaki Tachibana, and Kōichi Arai.[9] Prior to his work at Kinema Citrus, Matsuka served as a producer at Bandai Visual, gaining experience in animation production and planning.[43] As the studio's CEO and president from its inception until the transfer of operations in June 2024, Matsuka established 3Hz's vision as an independent venture focused on original and high-quality anime projects.[11] Under his leadership, the studio oversaw major decisions in production planning, including its debut television series Celestial Method in 2014.[9] No other top executives are prominently documented in 3Hz's operational history.[44]

Directors and producers

Hideaki Kubo served as an animation producer at 3Hz from 2014 to 2019, overseeing key aspects of production including budgeting, scheduling, and coordination for the studio's early projects.[22] His responsibilities were particularly prominent in series such as Celestial Method (2014), where he managed line production to ensure timely delivery of the 13-episode original anime, and Dimension W (2016), a co-production with Orange that blended 2D and CG elements under tight timelines.[12] Kubo's coordination efforts helped stabilize 3Hz's workflow during its formative years, contributing to the successful launch of multiple original works.[45] Among the notable directors associated with 3Hz, Masayuki Sakoi stands out for his work on several projects, including Celestial Method, which marked one of the studio's initial endeavors as the primary animation producer. Sakoi's direction emphasized emotional storytelling and subtle visual motifs, drawing from his prior experience in character animation to craft intimate character dynamics in this slice-of-life drama.[12] He later helmed Sword Art Online Alternative: Gun Gale Online (2018), where his oversight introduced innovative action sequences that highlighted fluid gunplay and tactical movements in a virtual reality setting, enhancing the spin-off's focus on squad-based combat without relying on the main series' protagonists.[46] These contributions during his 3Hz tenure underscored Sakoi's ability to adapt high-stakes action to the studio's production style, influencing later episodes' pacing and choreography.[47] Kiyotaka Oshiyama made his directorial debut with Flip Flappers (2016) at 3Hz, bringing his background as a key animator on Studio Ghibli films and Dennou Coil to create a visually experimental adventure blending surreal dimensions and coming-of-age themes.[48] Oshiyama's approach innovated in fluid, dreamlike animation sequences that prioritized expressive character movement and abstract world-building, setting a stylistic benchmark for 3Hz's original IPs.[49] For Dimension W, Kanta Kamei directed the 2016 adaptation, leveraging his experience from slice-of-life works like Usagi Drop to balance sci-fi action with character-driven narratives, particularly in episodes featuring intricate coil technology visuals co-produced with Orange.[22] Masaki Tachibana directed Princess Principal (2017), a steampunk espionage series co-animated with Actas, where his tenure at 3Hz focused on taut action choreography and intricate plot twists involving spy intrigue in an alternate London.[25] Tachibana's contributions emphasized realistic gadgetry and ensemble dynamics, refining 3Hz's handling of period aesthetics and high-tension sequences.[50] Yasuhiro Irie, renowned for Fullmetal Alchemist: Brotherhood, directed Healer Girl (2022) toward the end of 3Hz's independent operations, infusing the musical therapy original with precise vocal performance integration and heartfelt character arcs that highlighted the studio's versatility in lighter genres.[51] These directors' efforts, under the broader leadership of founder Yuichiro Matsuka, elevated 3Hz's reputation for stylish, narrative-driven animation.[45]

References

  1. Studio 3Hz - Anime News Network
  2. Studio 3Hz - Companies - MyAnimeList.net
  3. Studio 3Hz Transfers Animation Production and Planning ...
  4. Ode to Anime Studios – Studio 3Hz - The Animanga Spellbook
  5. Studio 3Hz anime | Anime-Planet
  6. Anime by Studio 3Hz - LiveChart.me
  7. Studio Behind Sword Art Online Spinoff Merges With One of Anime's ...
  8. Studio 3Hz | スタジオ3Hz
  9. Studio 3Hz Transfers Animation Planning, Production Business to A ...
  10. Summer 2017 Anime Preview - Sakuga Blog
  11. 3Hz's Story of Wishes - Celestial Method - Sakuga Blog
  12. Celestial Method (TV) - Anime News Network
  13. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=17452
  14. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=20183
  15. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=20000
  16. Chidori RSC (TV) - Anime News Network
  17. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=48857
  18. https://blog.sakugabooru.com/2019/06/25/black-fox/
  19. Aniplex Inc.｜Company Information｜Sony Music Group Corporate ...
  20. A-1 Pictures Acquires Studio 3Hz's Production, Planning Business
  21. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=15975
  22. Dimension W (TV) - Anime News Network
  23. Dimension W - MyAnimeList.net
  24. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=18649
  25. Princess Principal (TV) - Anime News Network
  26. Princess Principal - MyAnimeList.net
  27. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=20026
  28. Rifle Is Beautiful (Chidori RSC) - MyAnimeList.net
  29. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=21275
  30. A3! Season Spring & Summer - MyAnimeList.net
  31. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=24745
  32. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=24055
  33. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=25257
  34. Dimension W: Short Track/Robot wa Sentou no Yume wo Miruka
  35. News Celestial Method Anime's New Episode Streams on YouTube
  36. Black Fox (movie) - Anime News Network
  37. Tokyo Xanadu teases its opening animation | RPG Site
  38. The Legend of Heroes: Trails of Cold Steel III credits (PlayStation 4 ...
  39. 10 Things Anime Fans Need To Know About Sword Art Online ...
  40. Who is Studio 3Hz? - Forums - MyAnimeList.net
  41. Studio 3Hz Transfers Animation Production and Planning ...
  42. Flip Flappers: An Interview with Director Kiyotaka Oshiyama
  43. Sword Art Online Alternative Gun Gale Online USA Official Website
  44. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=36475
  45. Flip Flappers (TV) - Anime News Network
  46. Flip Flappers: Episodes 12 and 13 - Sakuga Blog
  47. Capsule Review & Commentary: Princess Principal
  48. Brotherhood's Yasuhiro Irie, Studio 3Hz Make Musical Healing TV ...
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